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Mineral Dressing in Mining MCQs Questions & Answers | Mining Engineering

Learn and practice multiple-choice questions (MCQs) with answers related to Mineral Dressing in Mining. These resources are available for mining engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Mineral Dressing in Mining chapter is particularly important for students studying mining engineering. Page-5 section-1

41
The diameter of a ball mill is 3 m and the diameter of the balls in the ball mill is 50 cm. What is the critical speed of the ball mill?
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Answer: Option A
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42
A concentrator pilot plant is fed with 1 tonne of copper ore at ROM grade of 1.5% Cu. Metal recovery in the concentrator pilot plant is 90% and the grade of copper in concentrate is 20%. The amount of copper in concentrate in kg is
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Answer: Option A
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43
Set of a Jaw crusher dictates on
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Answer: Option D
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44
Hydrocyclones are used in ore treatment plant to separate
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Answer: Option A
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45
Which of the following statement regarding Stokes law is true?
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Answer: Option B
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46
Froth flotation is used in ore treatment plant to separate
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Answer: Option A
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47
Magnetic separation is
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Answer: Option C
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48
A concentrator pilot plant is fed with 1 tonne of copper ore at ROM grade of 1.5 % Cu. Metal recovery in the concentrator pilot plant is 90% and the grade of copper in concentrate is 20%. The amount of concentrate produced from 1 tonne of ore in kg is
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Answer: Option D
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49
What will be the value of d50 for the specified overflow of 60% passing 74 m when the value of the multiplier is 2.08?
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Answer: Option D
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50
To separate two finely divided solids from one another, the process to be selected is
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Answer: Option A
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